A little food for thought: what goes on the internet STAYS on the internet. You can delete your posts or even delete your whole account. But data duplication is stored on the internet for easy access - all it takes is a little detective work and minor computer skills. Usernames are easily decoded if you really know someone, and simple things like syntax, names, and dates can confirm identity.
So just a little reminder for my yedda friends out there - before you post about those little things keeping you up at night, you may want to ask yourself: Would you want ANYONE to see this at ANY time in your life? Coworkers, future spouses, children, best friends, wife, parents, or boss?